| PC 1 | PC 2 | PC 3 | PC 4 | PC 5 | PC 6 | PC 7 | PC 8 | PC 9 | |
| SexI | 0.250 | 0.522 | 0.797 | 0.159 | 0.029 | −0.031 | 0.047 | −0.014 | 0.004 |
| SexM | −0.127 | −0.817 | 0.550 | 0.104 | 0.023 | −0.025 | 0.027 | −0.003 | 0.001 |
| Length | −0.368 | 0.099 | 0.033 | 0.042 | 0.596 | 0.083 | 0.049 | 0.698 | 0.021 |
| Diameter | −0.369 | 0.090 | 0.009 | 0.063 | 0.586 | 0.004 | 0.010 | −0.713 | −0.012 |
| Height | −0.335 | 0.080 | −0.101 | 0.867 | −0.305 | 0.160 | −0.022 | 0.008 | 0.000 |
| Whole | −0.375 | 0.095 | 0.106 | −0.215 | −0.231 | −0.052 | −0.110 | −0.017 | 0.851 |
| Shucked | −0.362 | 0.095 | 0.175 | −0.312 | −0.225 | 0.489 | −0.550 | −0.010 | −0.373 |
| Viscera | −0.366 | 0.090 | 0.074 | −0.245 | −0.274 | 0.154 | 0.807 | −0.030 | −0.204 |
| Shell | −0.364 | 0.096 | 0.047 | −0.052 | −0.166 | −0.837 | −0.168 | 0.058 | −0.307 |